UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OP7el4ILWW5yOiJZ7elbF4Jz0/mzvmPK17UOWrrP5KI=' 
WHERE 
  key_id = 'fb12f6e9c9dacd7f48e1c14cdc66da6c7c18403846d750cb227502d9db532e8d' 
  AND (
    token = 'OP7el4ILWW5yOiJZ7elbF4Jz0/mzvmPK17UOWrrP5KI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )